The kit OrthoSafe is designed to facilitate nerve blocks and infiltrations of the musculoskeletal system. OrthoSafe, It has larger caliber versions, allowing the injection of medicines and denser substances, such as hyaluronic acid, as well as a precise puncture system, without a mandrel and with a detachable extender, to facilitate access to the hub of the cannula and the coupling of syringes and connectors. luer-lock. The cannulas also have depth markers to help the surgeon with precise positioning. The tip of the cannula is finished with state-of-the-art echogenic undulations for better visualization under ultrasound guidance.